"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 硬件故障类--network
Case Name   : switchover时，备节点网卡down
Create At   : 2021/09/16
@zou_jialiang0505328126
Description :
    1.主备切换
    2.注入网卡down故障
    3.重启主节点
    4.主备切换
    5.查询集群状态
Expect      :
    1.成功
    2.失败
    3.成功
    4.成功
    5.正常
History     :
    Modified by @li-xin12345 2022/9/14: 修改注入网卡down故障持续时间，确保主备切换超时失败
    Modified by @li-xin12345 2022/10/10: 删除注入网卡down故障前的等待时间
"""

import unittest
import time
import os
from yat.test import Node
from testcase.utils.Common import Common
from testcase.utils.Constant import Constant
from testcase.utils.CommonSH import CommonSH
from testcase.utils.CommonSH import RestartDbCluster
from testcase.utils.Logger import Logger
from testcase.utils.ComThread import ComThread


class NetWork(unittest.TestCase):
    nodes_tuple = ('PrimaryDbUser', 'Standby1DbUser', 'Standby2DbUser')

    @RestartDbCluster(*nodes_tuple)
    def setUp(self):
        self.log = Logger()
        self.log.info(f"-----{os.path.basename(__file__)} start-----")
        self.primary_root_node = Node(node='PrimaryRoot')
        self.sta1_root_node = Node(node='Standby1Root')
        self.sta1_dbuser = Node(node='Standby1DbUser')
        self.com = Common()
        self.constant = Constant()
        self.primary_sh = CommonSH('PrimaryDbUser')
        self.sta1_sh = CommonSH('Standby1DbUser')
        self.flg = True

        self.log.info("-------------获取网卡名---------------")
        network_card_cmd = 'ifconfig'
        self.log.info(network_card_cmd)
        network_card_result = self.sta1_root_node.sh(
            network_card_cmd).result()
        network_card_list = network_card_result.split('\n\n')
        self.log.info(network_card_list)
        self.networkcard = ''
        for network_card_item in network_card_list:
            if self.sta1_dbuser.db_host in network_card_item:
                self.networkcard = network_card_item.split(':')[0].strip()
                self.log.info(self.networkcard)

        self.hostmsg = self.primary_root_node.sh('hostname;').result()
        self.log.info(f'hostname is {self.hostmsg}')

    def test_main(self):
        text1 = '----step1: 主备切换 expect:成功----'
        self.log.info(text1)
        switchover_thread = ComThread(
            self.sta1_sh.executeGsctl, args=(
                'switchover', self.constant.SWITCH_SUCCESS_MSG,))
        switchover_thread.setDaemon(True)
        switchover_thread.start()

        text = '----step2: 注入网卡down故障 expect:成功---'
        self.log.info(text)
        inject_command = f"rNet_down (dev, time)" \
            f"values({self.networkcard}, 65)"
        cfe_thread = ComThread(
            self.com.cfe_inject, args=(self.sta1_root_node,
                                       inject_command,))
        cfe_thread.setDaemon(True)
        cfe_thread.start()
        cfe_thread.join(80)
        result = cfe_thread.get_result()
        self.log.info(result)
        self.assertIn(self.constant.cfe_inject_netdown_success_msg, result,
                      '执行失败' + text)

        self.log.info("------------获取switchover结果----------------")
        switchover_thread.join(180)
        result = switchover_thread.get_result()
        self.log.info(result)
        self.assertFalse(result, '执行失败' + text1)

        text = '----step3: 重启主节点 expect:成功---'
        self.log.info(text)
        time.sleep(65)
        result = self.primary_sh.stopDbInstance()
        self.assertIn(self.constant.GS_CTL_STOP_SUCCESS_MSG, result,
                      '执行失败' + text)
        result = self.primary_sh.startDbInstance()
        self.assertIn(self.constant.REBUILD_SUCCESS_MSG, result,
                      '执行失败' + text)
        self.flg = False

        text = '----step4: 主备切换 expect:成功---'
        self.log.info(text)
        result = self.sta1_sh.executeGsctl('switchover',
                                           self.constant.SWITCH_SUCCESS_MSG)
        self.assertTrue(result, '执行失败' + text)

        text = '----step5: 查询集群状态 expect:成功---'
        self.log.info(text)
        result = self.primary_sh.getDbClusterStatus('status')
        self.assertTrue(result, '执行失败' + text)

    def tearDown(self):
        if self.flg:
            self.log.info("等待故障结束")
            time.sleep(65)
        self.log.info("--------------恢复集群-------------")
        status = self.primary_sh.check_whether_need_switch(self.hostmsg)
        if status:
            self.primary_sh.executeGsctl('switchover',
                                         self.constant.SWITCHOVER_SUCCESS_MSG)
            self.primary_sh.exec_refresh_conf()
        self.log.info(f"-----{os.path.basename(__file__)} end-----")
